I got this [http://www.openprinting.org/ppd-o-matic.php?driver=hl1250&printer=Brother-DCP-7020 PPD]. I replaced all <code>DCP-7020</code> by <code>DCP-7030</code>. After this I add a new printer manually using this PPD.

I got this [http://www.openprinting.org/ppd-o-matic.php?driver=hl1250&printer=Brother-DCP-7020 PPD]. I replaced all <code>DCP-7020</code> by <code>DCP-7030</code>. After this I add a new printer manually using this PPD.